From 30ae3307adcf500229e95731a5e116bc3a8c31f8 Mon Sep 17 00:00:00 2001 From: Abylay Ospan Date: Tue, 5 Apr 2016 15:02:37 -0300 Subject: [PATCH] [media] Sanity check when initializing DVB-S/S2 demodulator Avoid error message: cxd2841er_read_status_s(): invalid state 1 Always force demod to shutdown state before initializing Signed-off-by: Abylay Ospan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/cxd2841er.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c index b87d99066d44..94613af6900d 100644 --- a/drivers/media/dvb-frontends/cxd2841er.c +++ b/drivers/media/dvb-frontends/cxd2841er.c @@ -3133,6 +3133,18 @@ static int cxd2841er_init_s(struct dvb_frontend *fe) { struct cxd2841er_priv *priv = fe->demodulator_priv; + /* sanity. force demod to SHUTDOWN state */ + if (priv->state == STATE_SLEEP_S) { + dev_dbg(&priv->i2c->dev, "%s() forcing sleep->shutdown\n", + __func__); + cxd2841er_sleep_s_to_shutdown(priv); + } else if (priv->state == STATE_ACTIVE_S) { + dev_dbg(&priv->i2c->dev, "%s() forcing active->sleep->shutdown\n", + __func__); + cxd2841er_active_s_to_sleep_s(priv); + cxd2841er_sleep_s_to_shutdown(priv); + } + dev_dbg(&priv->i2c->dev, "%s()\n", __func__); cxd2841er_shutdown_to_sleep_s(priv); /* SONY_DEMOD_CONFIG_SAT_IFAGCNEG set to 1 */ -- 2.20.1